78 REF615 ANSI 5.0 FP1 FEEDER PROTECTION AND CONTROL
—
Table 119. Functions included in the relay (continued)
Function IEC 61850 ANSI
Interconnection functions
Directional reactive power undervoltage
protection
Low-voltage ride-through protection
Voltage vector shift protection
Power quality
Current total demand distortion
Voltage total harmonic distortion
Voltage variation
Voltage unbalance
Control
Circuit-breaker control
Disconnector control
Earthing switch control
Disconnector position indication
Earthing switch indication
Autoreclosing
Synchronism and energizing check
Condition monitoring and supervision
Circuit-breaker condition monitoring
Trip circuit supervision
Current circuit supervision
Current transformer supervision for high-impedance protection scheme for
phase A
Current transformer supervision for high-impedance protection scheme for
phase B
Current transformer supervision for high-impedance protection scheme for
phase C
Fuse failure supervision
Runtime counter for machines and devices
Measurement
Disturbance recorder
Load profile record
Fault record
Three-phase current measurement
Sequence current measurement
Residual current measurement
Three-phase voltage measurement
Residual voltage measurement
Sequence voltage measurement
Three-phase power and energy measurement
Frequency measurement
SMVSENDER SMVSENDER